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IGCSE O Level Biology Entrance Tests: Mock Test 80

Heart: O Level Biology Multiple Choice Questions (MCQs) PDF Download - 80

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The Heart O Level Biology MCQ with Answers PDF (Heart O Level Biology Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 17-80 to study IGCSE O Level Biology Practice Tests. Study Transport in Mammals Test PDF, Heart O Level Biology Multiple Choice Questions (MCQ Quiz) for SAT practice test. Free IGCSE O Level Biology MCQs App Download: Heart: O Level Biology MCQs e-Book PDF to study heart: o level biology, structure of an insect pollinated flower, heroin effects, blood clotting: o level biology test prep to study online school courses.

The MCQ: Of the total body mass, the heart weighs; "Heart: O Level Biology" App (Free Android & iOS) with answers: 0.0049, 0.0039, 0.0069, and 0.0059 for SAT practice test. Practice Transport in Mammals Questions and Answers, Google eBook to download free sample for online college courses.

Heart: O Level Biology MCQ Quiz with Answers PDF Download: Test 80

MCQ: 396

Of the total body mass, the heart weighs

  1. 0.0039
  2. 0.0049
  3. 0.0059
  4. 0.0069
MCQ: 397

In plants, epicalyx in clitoria is

  1. absent
  2. may be 2
  3. may be 4
  4. more than 4
MCQ: 398

The disease AIDS stands for

  1. Acquired Iodine Deficiency Syndrome
  2. Acquired Inherited Defective Syndrome
  3. Acquired Immune Deficiency Syndrome
  4. Acquired Immune Deflated Sensations
MCQ: 399

Prothrombin helps in

  1. fighting against diseases
  2. giving red color to the blood
  3. blood clotting
  4. hormones regulations
MCQ: 400

In guard cells, Potassium ions (K+) combined with sugars lead to

  1. lower the water potential in guard cells
  2. increase the water potential in guard cells
  3. become turgid
  4. increased temperature of guard cells

Heart: O Level Biology Entrance Tests: IGCSE O Level Biology App & eBook MCQs

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O Level Biology MCQs App (iOS & Android)

O Level Biology MCQs App

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Molecular Biology MCQ App (iOS & Android)

Molecular Biology MCQ App